81306414

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{6389}}^1$

素因数の和:6505

約数の個数: 48

約数和(自身を含む): 203355360

約数和(自身を除く): 122048946

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 101, 126, 202, 303, 606, 707, 909, 1414, 1818, 2121, 4242, 6363, 6389, 12726, 12778, 19167, 38334, 44723, 57501, 89446, 115002, 134169, 268338, 402507, 645289, 805014, 1290578, 1935867, 3871734, 4517023, 5807601, 9034046, 11615202, 13551069, 27102138, 40653207, 81306414]

約数ペア:

[(1, 81306414), (2, 40653207), (3, 27102138), (6, 13551069), (7, 11615202), (9, 9034046), (14, 5807601), (18, 4517023), (21, 3871734), (42, 1935867), (63, 1290578), (101, 805014), (126, 645289), (202, 402507), (303, 268338), (606, 134169), (707, 115002), (909, 89446), (1414, 57501), (1818, 44723), (2121, 38334), (4242, 19167), (6363, 12778), (6389, 12726)]